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Finding the Fourth Proportional to 6.27, 9.41 and 4.26

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Solution

The fourth proportional to 6.27, 9.41 and 4.26 is: 6.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.27 : 9.41 = 4.26 : x
  2. Step 2: Convert to fraction form
    6.27/9.41 = 4.26/x
  3. Step 3: Cross multiply
    6.27x = 9.41 × 4.26
  4. Step 4: Simplify right side
    6.27x = 40.09
  5. Step 5: Solve for x
    x = 40.09/6.27
  6. Step 6: Final answer
    x = 6.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.